package com.example.administrator.zyfypt_421lff.fragment;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.example.administrator.zyfypt_421lff.R;
import com.example.administrator.zyfypt_421lff.adapter.SpecialAdapter;
import com.example.administrator.zyfypt_421lff.adapter.VideoAdapter;
import com.example.administrator.zyfypt_421lff.bean.SpecialBean;
import com.example.administrator.zyfypt_421lff.bean.VideoBean;
import com.example.administrator.zyfypt_421lff.iface.SpecialListener;
import com.example.administrator.zyfypt_421lff.iface.VideoListener;
import com.example.administrator.zyfypt_421lff.model.SpecialModel;
import com.example.administrator.zyfypt_421lff.model.TwareModel;
import com.example.administrator.zyfypt_421lff.model.VideoModel;

import java.util.List;

import static android.content.Context.MODE_PRIVATE;

/**
 * Created by Neusoft on 2017/4/9.
 */

public class Fragment32 extends Fragment {
    private TextView tvinfo;
    private View view=null;
    private Context context;
    private int page=1; // 代表页数，并初始化为1，代表第1页。
    private int lastVisibleItemPosition;//最后一条可见条目的位置
    private RecyclerView recyclerView;
    private LinearLayoutManager layoutManager;//显示布局效果
    //private MyAdapter myAdapter;//适配器
    //private List<ArticleBean> list=null;//数据源
    //private TcaseAdapter tcaseAdapter;
    //private List<TcaseBean> list=null;
    private SpecialAdapter specialAdapter;
    private List<SpecialBean> list=null;
    private SharedPreferences sp;
    private String sessionid;
    /* ArticleListener articleListener=new ArticleListener() {
         @Override
         public void onResponse(List<ArticleBean> beanlist) {
             list=beanlist;//得到网络数据
             myAdapter.setList(list);//传给adapter
             myAdapter.notifyDataSetChanged();//通知更新
         }*/
   /* TcaseListener tcaseListener=new TcaseListener() {
        @Override
        public void onResponse(List<TcaseBean> beanlist) {
            list=beanlist;//得到网络数据
            tcaseAdapter.setList(list);//传给adapter
            tcaseAdapter.notifyDataSetChanged();//通知更新
        }*/
        SpecialListener specialListener=new SpecialListener() {
            @Override
            public void onResponse(List<SpecialBean> beanlist) {
                if(page==1)
                {
                    list=beanlist;
                }
                else {
                    list.removeAll(beanlist);
                    list.addAll(beanlist);
                }
                specialAdapter.setList(list);//传给adapter
                specialAdapter.notifyDataSetChanged();//通知更新
            }

        @Override
        public void onFail(String msg) {
            Toast.makeText(context,msg, Toast.LENGTH_SHORT).show();
        }
    };
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        context=getActivity();
       //动态加载Fragment1的布局文件
        view=inflater.inflate(R.layout.fragment32,container,false);
        //获取布局上的控件，注意通过view获取
       tvinfo=(TextView)view.findViewById(R.id.textView8);
       tvinfo.setText("视频");
        //注意Toast第一个参数上下文
        Toast.makeText(context, "加载Fragment视频", Toast.LENGTH_SHORT).show();
        sp=context.getSharedPreferences("login",MODE_PRIVATE);
        readSP();
        //返回动态生成的view
        initRecyclerView();

        //实例化ArticleModel,调用方法获取网络数据
        /*ArticleModel articleModel=new ArticleModel();
        articleModel.getResultList(
                "article",2,
                "rv1l2tidbomann2qn86nln6ur2",
                articleListener);*/
        SpecialModel specialModel=new SpecialModel();
        specialModel.getResultList(
                "video",page,
                sessionid,
                specialListener
        );
        return view;
    }
    private void readSP() {
        sessionid = sp.getString("sessionid", null);
        //  Boolean b = sp.getBoolean("remember", false);
    }
    private void initRecyclerView() {
        //获取RecyclerView,设置属性，获取数据源，绑定
        recyclerView=(RecyclerView)view.findViewById(R.id.recyclerview);
        //创建默认的线性布局
        layoutManager=new LinearLayoutManager(context);
        //设置布局管理器
        recyclerView.setLayoutManager(layoutManager);
        //固定每个item高度，提高性能
        recyclerView.setHasFixedSize(true);
        //获取数据并创建Adapter
        //list =getData();
        //myAdapter=new MyAdapter(context);
        //myAdapter.setList(list);
        //绑定RecyclerView和adapter
        //recyclerView.setAdapter(myAdapter);
        //tcaseAdapter=new TcaseAdapter(context);
        //tcaseAdapter.setList(list);
        //recyclerView.setAdapter(tcaseAdapter);
        specialAdapter=new SpecialAdapter(context);
        specialAdapter.setList(list);
        recyclerView.setAdapter(specialAdapter);
        recyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                if (newState == RecyclerView.SCROLL_STATE_IDLE && lastVisibleItemPosition + 1 == list.size()) {
                    page += 1;
                    //再次实例化ArticleModel，调用方法获取网络数据，请求新一页数据
                    SpecialModel specialModel =  new SpecialModel();
                    specialModel.getResultList("video",page,sessionid,specialListener);
                }
            }
            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                lastVisibleItemPosition=layoutManager.findLastVisibleItemPosition();//滚动结束后将赋值为可见条目中最后一条位置
            }
        });
    }
}
